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i1 l e 2nd Avenuc South ND7 Pacheco CA 94553-5'60 <br /> McCampbell Analytical, Inc. Telephone 925 798-1620 Fax 925-798-1622 <br /> iWebsite www mcc2mpbell coin E mail roama mccampi ell cam <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> i <br /> Matrix W WorkOrde r 0403315 <br /> iEPA Method SW8021B18015Cm Extraction SW5030B BatchlD 10818 Spiked Sample ID 0403305-017A <br /> Sample Spiked MS' j MSD' IMS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%} <br /> PglL Ng/L _%Ret %Rec %RPD %Rec ` %Rec % RPD Low High <br /> TPH(btex)r ND 60 104 102 1 61 105 99 5 520 70 130 <br /> MT8 <br /> L" ND 10 111 110 0 941 104 118 125 70 130 <br /> Benzene ND - 10 115 109 5 77 - 119 107 112 70 130 <br /> Toluene T ND 10 107 101 5 15-� 111 985 11 6 70 130 <br /> Ethylbenzene ND 10 113 109 3 57 116 105 966 70 130 <br /> Xylenes ND 30 103 100 3 28 107 95 7 109 70 130 <br />' %SS 102 10 103 100 I 296 110 98 6 105 70 130 - <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> Ii <br /> I <br /> I MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relat ve Percent <br /> Deviation <br /> %Recovery=100'(MS Sample)!(Amount Spiked) RPD=100'(MS MSD)I((MS+MSD)/2) <br /> 'MS and for MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> NIA=not enough sample to perform matrix spoke and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> DHS Certification No 1644 QXQC Officer <br />